Men's Classic Thermal Merino Base Layer 1/4 Zip - BLACK COLOR SHIFT

Smartwool's updated fit of their Men's Classic Thermal Merino Base Layer 1/4 Zip. Improved functionality and enhanced aesthetics. As one of their heaviest base layer tops and best base layers for cold weather, this garment uses 100% responsibly sourced Merino wool, shoulder panels, and a flatlock seam construction to help minimize chafing as well as help keep you comfortable and temperature-regulated as you enjoy high-intensity skiing, hiking, running, and more.